Long-term sequelae of exposure to neptunium-237
In nature, neptunium is present with uranium in amounts of about 1.8 . 10/sup -10/%. We know of about 13 isotopes of neptunium, the longest lived one being /sup 237/Np (T/sub 1/2/ = 2 . 10/sup 6/ years); it is an ..cap alpha..-emitter, with particle energy of 4.77 MeV. Activity per 1.5 mg /sup 237/Np constitutes 1 ..mu..Ci. With respect to its chemical properties neptunium, like uranium, is referable to the sixth group of the Mendeleev periodic table. More recently, this element is being used extensively in science and technology and in personal dosimetry. The biological effects of neptunium have been little-studied. The objective here was to investigate the long-term effects of neptunium-237.
- OSTI ID:
- 5457049
- Journal Information:
- Radiobiology (USSR) (Engl. Transl.); (United States), Journal Name: Radiobiology (USSR) (Engl. Transl.); (United States) Vol. 18:5; ISSN RADBA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Criticality of a Neptunium-237 sphere surrounded with highly enriched uranium shells and an iron reflector
ANALYSIS FOR Np$sup 237$ IN NITRIC ACID SOLUTIONS
Related Subjects
Kinetics
& Toxicology-- Animals
Plants
Microorganisms
& Cells
560172* -- Radiation Effects-- Nuclide Kinetics & Toxicology-- Animals-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
ANEMIAS
ANIMALS
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BODY
CARCINOGENESIS
CARCINOMAS
DATA
DATA FORMS
DELAYED RADIATION EFFECTS
DIGESTIVE SYSTEM
DISEASES
EXPERIMENTAL DATA
GLANDS
HEAVY NUCLEI
HEMIC DISEASES
INFORMATION
INJECTION
INTAKE
INTRATRACHEAL ADMINISTRATION
INTRAVENOUS INJECTION
ISOTOPES
LEUKEMIA
LEUKEMOGENESIS
LIVER
MAMMALS
MAMMARY GLANDS
NEOPLASMS
NEPTUNIUM 237
NEPTUNIUM ISOTOPES
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANS
OSTEOSARCOMAS
PATHOGENESIS
PATHOLOGICAL CHANGES
RADIATION EFFECTS
RADIOINDUCTION
RADIOISOTOPES
RADIONUCLIDE KINETICS
RATS
RODENTS
SARCOMAS
SKELETAL DISEASES
SKELETON
SURVIVAL CURVES
SYMPTOMS
TABLES
VERTEBRATES
YEARS LIVING RADIOISOTOPES